It was not until this year _____ scientists managed to make a cat and a goldfish disappear from sight using an invisibility cloak(斗篷)

Susan, why are you still here They are all ready to start.— I’m sorry, but I _________ when to start.

Friends are those _____ always stand by your side when you need help.

Haven’t seen you for ages! Where have you been, anywhere ?– I _______ to New York CityI just got back

1. All the employees except the manager _______to work online at home.